import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

import Layout from '@/layout'
const _import = require('./router/_import_' + process.env.NODE_ENV) // 获取组件的方法

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      // const hasGetUserInfo = store.getters.name
      const hasGetUserMenu = store.getters.menu
      console.log('hasGetUserMenu', hasGetUserMenu)
      // 进入哪个页面都先获取订单数量及售后数量
      try {
        // get user info
        // await store.dispatch('user/getInfo')
        await store.dispatch('user/getUserShopinfo')
      } catch (error) {}
      if (hasGetUserMenu) {
        next()
      } else {
        try {
          // get user info
          // await store.dispatch('user/getInfo')
          await store.dispatch('user/getMenu')
          // await store.dispatch('user/getUserShopinfo')

          if (store.getters.menu.length < 1) {
            global.antRouter = []
            next()
          }

          const menu = filterAsyncRouter(store.getters.menu) // 1.过滤路由
          menu.push({ path: '*', redirect: '/404', hidden: true }) // 追加404
          router.addRoutes(menu) // 2.动态添加路由
          global.antRouter = menu // 3.将路由数据传递给全局变量，做侧边栏菜单渲染工作
          next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap) {
  const accessedRouters = asyncRouterMap.filter(route => {
    if (route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children)
    }
    if (route.parentid === '0') {
      route.component = Layout
      if (route.url == 'home') {
        route.path = '/'
        route.redirect = '/home'
      } else {
        route.path = '/' + route.url
      }

      if (route.children.length < 1) {
        route.children = []
        // console.log('route2', route)
        route.children.push({
          path: route.url,
          name: route.url,
          component: _import(route.url),
          meta: { title: route.menuname, icon: 'example' }
        })
      } else {
        route.redirect = '/' + route.url + '/' + route.children[0].url
        route.meta = { title: route.menuname, icon: 'example' }
      }
    } else {
      route.path = route.url
      route.component = _import(route.url) // 导入组件
      route.meta = { title: route.menuname, icon: 'example' }
    }

    return true
  })

  return accessedRouters
}

// function filterAsyncRouter(asyncRouterMap) {
//   const accessedRouters = asyncRouterMap.filter(route => {
//     if (route.component) {
//       if (route.component === 'Layout') {
//         route.component = Layout
//       } else {
//         route.component = _import(route.component) // 导入组件
//       }
//     }
//     if (route.children && route.children.length) {
//       route.children = filterAsyncRouter(route.children)
//     }
//     return true
//   })
//
//   return accessedRouters
// }
